1630580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 4126080

約数和(自身を除く): 2495500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 613, 665, 1226, 1330, 2452, 2660, 3065, 4291, 6130, 8582, 11647, 12260, 17164, 21455, 23294, 42910, 46588, 58235, 81529, 85820, 116470, 163058, 232940, 326116, 407645, 815290, 1630580]

約数ペア:

[(1, 1630580), (2, 815290), (4, 407645), (5, 326116), (7, 232940), (10, 163058), (14, 116470), (19, 85820), (20, 81529), (28, 58235), (35, 46588), (38, 42910), (70, 23294), (76, 21455), (95, 17164), (133, 12260), (140, 11647), (190, 8582), (266, 6130), (380, 4291), (532, 3065), (613, 2660), (665, 2452), (1226, 1330)]